$ git clone -n https://src.fedoraproject.org/rpms/kpmcore.git /var/lib/mock/f40-build-743863-111421/root/chroot_tmpdir/scmroot/kpmcore
Cloning into '/var/lib/mock/f40-build-743863-111421/root/chroot_tmpdir/scmroot/kpmcore'...
$ git fetch origin d0a731b83c1041ca9764e1e4db03ea7b3a1632ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kpmcore
 * [new ref]         d0a731b83c1041ca9764e1e4db03ea7b3a1632ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0a731b Use qt6/kf6 for Fedora >= 40